Summary: Sento succeeded in retrieving the Pandora Box from Blood Stalk, or
Soichi Isurugi! But Gentoku Himuro immediately sends out a squadron to
search the city for the Pandora Box. The words that Soichi told Sento
still resonate within him... "Night Rogue is really Gentoku Himuro". In
other words, Gentoku can use his position as prime minister to arrest
Sento and the others, and harness the Pandora Box's energy as a weapon
of mass destruction! With this, the fight between Build and Night Rogue
for the Pandora Box begins...